As long as the DMV applies the rules equally between traditional taxi companies and UberX/Lyft, then I don't see an issue with it.<p>Even if it is more expensive, as long as the expense is reasonable and fair between all competitors then nobody is any further behind than anyone else.<p>I'd be interested to see data on how many of their drivers actually work only 4 hours a week, all of the anecdotes by their drivers I have read is that they're essentially full time (however some are full time but spread their work between both companies, or partly for one company and partly as a driver for pre-arranged jobs, like taking disabled kids to special schools).